slide

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To move over a surface while maintaining smooth continuous contact.
• intransitive verb To participate in a sport that involves such movement.
• intransitive verb To lose a secure footing or positioning; slip.
• intransitive verb To pass smoothly and quietly; glide.
• intransitive verb Baseball To drop down from a running into a lying or diving position when approaching a base so as to avoid being tagged out.
• intransitive verb To be ignored or not dealt with; drop.
• intransitive verb To decrease.
• intransitive verb To become less favorable or less desirable.
• intransitive verb To cause to slide or slip.
• intransitive verb To place covertly or deftly.
• noun A sliding movement or action.
• noun A smooth, usually inclined surface or track for sliding.
• noun A playground apparatus for children to slide on, typically consisting of a smooth chute climbed onto by means of a ladder.
• noun A part that operates by sliding, as the U-shaped section of tube on a trombone that is moved to change the pitch.
• noun A period of decline or loss.
• noun An image on a transparent base for projection on a screen.
• noun A small glass plate for mounting specimens to be examined under a microscope.
• noun A fall of a mass of rock, earth, or snow down a slope; an avalanche or landslide.
• noun A backless shoe with an open toe.
• noun A slight portamento used in violin playing, passing quickly from one note to another.
• noun An ornamentation consisting of two grace notes approaching the main note.
• noun A small metal or glass tube worn over a finger or held in the hand, used in playing bottleneck-style guitar.
• noun The bottleneck style of guitar playing.

from The Century Dictionary.

• noun An inclined plane up which hay is drawn by horse-power on to a rick by means of a net and a cable running over the top of the rick. The net, when emptied, is drawn back by a horse with a long rope. This method is practised on very large ranches.
• noun A smooth and easy passage.
• noun Flow; even course; fluency.
• noun In music:
• noun A melodic embellishment or grace, consisting of an upward or a downward series of three or more tones, the last of which is the principal tone. It may be considered as an extension of an appoggiatura. Also sliding-relish.
• noun Same as portamento.
• noun The transition of one articulate sound into another; a glide: an occasional use.
• noun A smooth surface, especially of ice, for sliding on.
• noun An inclined plane for facilitating the descent of heavy bodies by the force of gravity; a shoot, as a timber-shoot, a shoot (mill or puss) in a mine, etc.
• noun A land-slip; an avalanche.
• noun In mining, a fissure or crack, either empty or filled with flucan, crossing the lode and throwing it slightly out of its position.
• noun That part of an instrument or apparatus which slides or is slipped into or out of place.
• noun A slip or inadvertence.
• noun Some arrangement on which anything slides, as (in the plural) slides, a term used in some mines as the equivalent of cage-guides.
• noun An object holding by friction upon a band, tag, cord, or the like, and serving to hold its parts or strands in place.
• noun A slide-valve.
• To move bodily along a surface without ceasing to touch it, the same points of the moving body remaining always in contact with that surface; move continuously along a surface without rolling: as, to slide down hill.
• Specifically, to glide over the surface of snow or ice on the feet, or (in former use) on skates, or on a sled, toboggan, or the like.
• To slip or pass smoothly; glide on ward.
• To pass gradually from one state or condition to another.
• In music, to pass or progress from tone to tone without perceptible step or skip—that is, by means of a portamento.
• To go without thought or attention; pass unheeded or without attention or consideration; be unheeded or disregarded; take care of itself (or of themselves): used only with let: as, to let things slide.